Tam giác BCD vuông tại B. BH là đường cao kẻ từ B xuống CD. Biết rằng CB = 4 và DB = 3. BH = bao nhiêu

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I. Statements I wondered 1. “Do you have Mary’s address, Hoa?”, Peter asked Hoa. Peter asked Hoa 2. “Where do you work today, Quang?” We wanted to know 3. “How long are you going to be on holiday?.” 4. She asked She said to me “I’m leaving for Ha Noi tomorrow”. She told 5. “I ‘m going to visit my aunt next week” Tom said to Daisy. Tom told 6. “I will go to China next year” Minh said 7. “I love these roses” Miss Nga said to me 8. “I’m having a wonderful time here” Cousin Mai said 9. “I can’t help you to do this test” Tom said to her 10. “We are doing the exercises now” They said 11. “I will give you a new bike” He said to her 12. “I must leave now” John said 13. “I live here with my parents” Nam said 14. Ba said “I am going to meet your sister in front of the station” Ba told Liz that 15. “I will teach you French tomorrow” Mr Brown said to Mary 16. “I will go to Hue tomorrow” Mr Chi said 17. “I won’t buy this car” She said 18. “I will go to Dalat tonight.” He told them 19. He said, “Let us elect Ha Long Bay to be one of the World Wonders.” He suggested that Ha Long II. Questions 20. “Do you like classical music?” He asked me 21. “Can I play video games?” Peter asked me 22. “What are you doing now?” Mary asked Tom 23. “Why don’t you clean your room?” My mother asked me 24. “How do you go to your school?” Daisy asked him 25. “Will you come here next week?” I asked her 26. He said to me “What school do you go to?” He asked me 27. “Why does Nam come home late today?” 28. “Is your school near here?” He asked me 29. “When does your school vacation start?” She asked me 30. “Why do you want this job?” Mary asked 31. “Do you have any new friends?” She asked me 32. “Is there a bus coming here?” She asked me 33. “What aspect of learning English do you find most difficult?” I asked my brother 34. “How many subjects do you learn at school?” She asked me III. Commands, Requests, or advice 35. His mother said, “Don’t stay up late, son” His mother asked him 36. He says to me, “Don’t shut the door” He tells me 37. The guide said to us, “Don’t touch this picture.” The guide told us 38. “Would you like to go out for dinner with me tonight?” Mike said to Sara. Mike 39. “Don’t be late again.” She asked 40. Shall I carry the suitcase for you, Hoa?” said John. John offered 41. “You’d better work hard for the exam” Tom said to his brother. Tom advised 42. “Don’t make this mistake again, boys”, said the teacher. The teacher told the 43. Carlo said, “Don’t stop here, Mike” Carlo warned 44. “Would you mind opening the door?” The teacher told Tom 45. “Go to bed and don’t get up till you’re called” She asked him

Complete the following sentences with the words in brackets. 29. The rules of this club are very strict; if you (break) _______________ them, you are asked to leave. 30. He will never get promoted unless he (learn) _______________ to be more polite to customers. 31. If you really want me to, I (take) _______________ the dog to the vet. 32. Her father will be angry if she _______________ to this party. (go) 33. If he _______________ so hard, he will ruin his health. (work) 34. He _______________ English quicker if he goes to England. (learn) 35. Will her ticket still be valid if she _______________ the plane? (miss) 36. I will phone you if I _______________. (not / forget) 37. My parent _______________ me if I am in financial troubles. (not / help) 38. I will allow you to take my car if you _______________slowly. (drive) 39. She will come if she _______________busy. (not / be) 40. If we _______________in groups, we will finish it quicker. (work) 41. You _______________this problem if you read his paper. (solve) 42. They will not work properly unless you _______________them good wages. (pay) 43. What _______________if he does not send the money? (they / do) 44. Unless you are careful you _______________the job. (lose) 45. You will lose all your money if you _______________cards with them. (play) 46. If you _______________the radio like that you will damage it. (use) 47. He will produce the film if we _______________him money. (lend) 48. You _______________your fingers unless you use gloves. (burn) 49. If you _______________what I told you, you'll find the place easily. (remember) 50. He _______________if you continue turning the radio up so loud. (be angry)